Identi.ca is another page to update your status and make it public. Once you make your account you have access to a profile which have an empty space to the top to write any message you want. Each message has a limit of 140 characters. You can add links (which are "do follow" to bring more relevance to the linked pages on search engines), share files and your location.

The service lets you connect your updates with other social networking sites. In addition, you can invite people to become members of Identi.ca. You can get followers on the site so it gives you the opportunity to attract visitors to your blogs and sites.

Site: IDENTI.ca